520019955

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{126989}}^1$

素因数の和:127020

約数の個数: 48

約数和(自身を含む): 1109384640

約数和(自身を除く): 589364685

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 585, 819, 1365, 4095, 126989, 380967, 634945, 888923, 1142901, 1650857, 1904835, 2666769, 4444615, 4952571, 5714505, 8000307, 8254285, 11555999, 13333845, 14857713, 24762855, 34667997, 40001535, 57779995, 74288565, 104003991, 173339985, 520019955]

約数ペア:

[(1, 520019955), (3, 173339985), (5, 104003991), (7, 74288565), (9, 57779995), (13, 40001535), (15, 34667997), (21, 24762855), (35, 14857713), (39, 13333845), (45, 11555999), (63, 8254285), (65, 8000307), (91, 5714505), (105, 4952571), (117, 4444615), (195, 2666769), (273, 1904835), (315, 1650857), (455, 1142901), (585, 888923), (819, 634945), (1365, 380967), (4095, 126989)]